Guápiles weather in April

In April, Guápiles sees average daytime highs of 28°C and overnight lows near 20°C, with 117 mm of rain across 16.9 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 19% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 18 min by month's end. Set against the rest of the year, April is Guápiles's 5th-clearest and 4th-windiest month. For the whole year in context, see Guápiles's year-round climate.

Daytime high
28°
5th warmest
Overnight low
20°
6th coldest
Rainfall
117 mm
16.9 wet days
Daylight
12 h 12 min
5:29 AM – 5:42 PM
Cloud cover
69%
5th clearest
Wind
5 km/h
4th windiest
Solar energy
5.53 kWh/m²
Travel score
5.2
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical April day in Guápiles reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, April runs about 1°C warmer than March and on par with May.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12720
22720
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232821
242821
252821
262821
272821
282821
292821
302821

Guápiles weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 19°26817.311.55.8
Feb26° / 19°16313.711.76.1
Mar27° / 19°13614.211.96.0
Apr28° / 20°11716.912.25.2
May28° / 21°33426.912.53.6
Jun28° / 21°30628.812.63.1
Jul28° / 21°28128.412.53.5
Aug28° / 21°24628.312.33.4
Sep28° / 21°27028.112.13.2
Oct28° / 21°36829.311.83.4
Nov27° / 20°42826.311.53.9
Dec26° / 20°35321.411.45.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24852
34753
44555
54555
64456
74456
84357
94357
104159
114159
124060
134060
143862
153862
163862
173565
183565
193466
203367
213169
222971
232872
242674
252476
262377
272179
282080
291882
301882

Chance of precipitation in April

Any precipitation

Guápiles gets around 117 mm of rain over 16.9 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 70% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
146
246
347
448
548
649
749
850
951
1051
1152
1253
1354
1454
1555
1656
1756
1857
1958
2059
2160
2261
2362
2463
2565
2666
2767
2868
2969
3070

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the muggy band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11767160
21766170
31666180
41665190
51664200
61663210
71563220
81563220
91463230
101462240
111363240
121362250
131262260
141163260
151063270
161062280
17962290
18862300
19861310
20760330
21660340
22559360
23557380
24455401
25453421
26353431
27351451
28250471
29249491
30247501

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over April. Sunrise moves from 5:37 AM to 5:22 AM, and sunset from 5:42 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:375:42
212.15:375:42
312.15:365:42
412.15:355:42
512.15:355:42
612.15:345:42
712.15:345:42
812.25:335:42
912.25:325:42
1012.25:325:42
1112.25:315:42
1212.25:315:42
1312.25:305:42
1412.25:305:42
1512.25:295:42
1612.25:295:42
1712.25:285:42
1812.25:285:42
1912.35:275:42
2012.35:275:42
2112.35:265:42
2212.35:265:42
2312.35:255:42
2412.35:255:42
2512.35:245:43
2612.35:245:43
2712.35:235:43
2812.35:235:43
2912.35:225:43
3012.35:225:43

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.53 kWh/m².

For context, solar energy here swings from a low near 3.5 kWh/m² to a high of 5.54 kWh/m² in March across the year — April's 5.53 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.3Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.1Bright
305.0Bright
Planning a trip in April

Is April a good time to visit Guápiles?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.2
Sightseeing
4th-best month of the year
5.5
Beach & pool
3rd-best month of the year

April is a reasonable time to visit Guápiles for sightseeing.

What to pack for Guápiles in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Guápiles sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Guápiles in April

The nearest coast averages about 28°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 48 km away) is warmest in September at about 29°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Guápiles in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guápiles peaks around March 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 20UV 13Dec 16UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec9Very high

Air quality in Guápiles in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Guápiles is worst in July — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (January, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1423 µg/m³Jan 1210 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar12Moderate
Apr22Moderate
May23Moderate
Jun22Moderate
Jul23Moderate
Aug20Moderate
Sep18Moderate
Oct16Moderate
Nov12Moderate
Dec10Good
Location & terrain

Where is Guápiles?

Guápiles sits at 10.2°N, 83.8°W, 254 m above sea level, in Costa Rica. The nearest listed city is Siquirres, 33 km away.

SiquirresTurrialbaIpísPurralSan Vicente de MoraviaSan VicenteCartagoSan Pablo

Topography around Guápiles

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Guápiles.

Within 3 km, the terrain around Guápiles has only modest variations in elevation — a maximum elevation change of 190 m around an average of 253 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,700 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,471 m.

The land around Guápiles is covered by trees (48%) and grassland (34%) within 3 km, trees (70%) and grassland (26%) within 16 km, and trees (70%) within 80 km.

3 km
190 m
16 km
1,700 m
80 km
3,471 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Siquirres 33 km · Turrialba 37 km · Ipís 38 km · Purral 40 km · San Vicente de Moravia 41 km · San Vicente 41 km · Cartago 42 km · San Pablo 42 km

Costa Rica travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 59% of US
price level, 2025
GDP per capita
$19,970
2025
Happiness
7.4 / 10
World Happiness, 2025
Safe drinking water
81%
of population, 2024
Homicide rate
17.7
per 100k, 2023
Road deaths
14.8
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 516
Religion
Roman Catholic 48%none 27%Evangelical and Pentecostal 20%other 3%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Guápiles (10.2168°, -83.7848°, elevation 254 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).